Revolving stage gas circuit device

The utility model provides a revolving stage gas circuit device, belongs to mechanical machine tool. The utility model discloses a locking detects the gas circuit and including detecting your bi-pass air-operated solenoid valve and pneumatic position sensor of head, pneumatic relief pressure valve, 1 number, detects the head and install on positive locker, and your bi-pass air-operated solenoid valve of pneumatic relief pressure valve, 1 number and pneumatic position sensor install in proper order on from the air pump to the gas circuit pipeline the measuring head, the foreign matter get rid of the gas circuit include first blow connect with 2 numbers your bi-pass air-operated solenoid valve, first blow to connect install in cloudy locker, 2 numbers you bi-pass air-operated solenoid valve installs on from the air pump to first gas circuit pipeline of blowing the joint, airtight gas circuit includes a plurality of seconds joint of blowing, and the second is blown to connect and is installed on the annular boss of smooth saddle, and the second is blown to connect and is connected with the air pump through the pipeline, and the high-pressure gas of air pump production blows off through the joint of blowing, forms a gas movable sealing ring, the utility model discloses can detect out the foreign matter in the revolving stage, and it is good to lock detection effect.